Brazing & Soldering Products

Lucas-Milhaupt offers the most comprehensive inventory of alloys and forms in the industry and our expertise in brazing and soldering ensures that we can find the best-matched products for your needs.

Technical Documentation

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Silver-Based Cadmium-Free Filler Metals

These alloys are low-temperature, free-flowing filler metals for joining similar and dissimilar metals (i.e. copper to steel). They produce very strong, ductile joints and are safe because they are cadmium-free.

Cadmium-Free Silver Brazing Filler Metals Available Materials

Lucas-Milhaupt offers numerous material compositions for general purpose and specialty applications. The Braze family of alloys is available in:

 

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Product SolidusLiquidusNominal Composition, %AWS & International Standards Technical Documents* MSDS Safety Documents*
°F °C °F °C Ag Cu Sn Zn Other
LITHOBRAZE™ 720
(Formally SILVALOY® B72Li) For ferrous and nonferrous base alloys; especially thin sections of stainless steels.
1400 760 1400 760 71.7 28     0.3 Li
 
BAg-8a
LITHOBRAZE™ 925
(Formally SILVALOY® B92.5Li) To join skins to honeycomb cores, particularly precipitation-hardening stainless steels.
1400 760 1635 890 92.5 7.3     0.2 Li
 
BAg-19
LM 721 Gr1

Same as BR 721 - highest purity for vacuum application.


1435 779 1435 779 72 28       BVAg-8 Gr1
PREMABRAZE® 616 (VTG)

For ferrous and nonferrous alloys used in moderate temperature vacuum tubes and systems.


1155 625 1305 705 61.5 24     14.5 In
 
BVAg-29
SILVALOY® 051
(Formally BRAZE™ 051 / SILVALOY® A5) Brazing nichrome resistance elements, or simultaneous brazing and heat treating of steels.
1545 840 1615 880 5 58   37    
SILVALOY® 071
(Formally BRAZE™ 071 / SILVALOY® B7T) Used when heat treatment follows brazing, as a lower melting alloy than copper, or in vacuum systems.
1225 665 1805 985 7 85 8      
SILVALOY® 090
(Formally BRAZE™ 090 / SILVALOY® A9) For copper base alloys such as in band instruments; or joint brazing/cyanide case hardening of steels.
1410 765 1565 850 9 53   38    
SILVALOY® 202

(Formally BRAZE™ 202 / SILVALOY® A20) For simultaneous brazing and heat treating of steels.


1315 710 1500 815 20 45   35    
SILVALOY® 250
(Formally BRAZE™ 250 / SILVALOY® A25) Low silver filler metal for joining ferrous and nonferrous alloys.
1250 675 1575 855 25 52.2   22.5    
SILVALOY® 252

(Formally BRAZE™ 252) Economical filler metal for tungsten carbide, stainless steel and steel.


1305 705 1475 800 25 38   33 2 Mn
2 Ni
 
BAg-26
SILVALOY® 255
(Formally BRAZE™ 255 / SILVALOY® A25T) Economical filler metal for ferrous and nonferrous joints not requiring high ductility or impact strength.
1270 690 1435 780 25 40 2 33   BAg-37
SILVALOY® 299

(Formally BRAZE™ 299) Intermediate temperature braze alloy for use on ferrous & non ferrous alloys. Can be used to join carbide tools.


1250 676 1450 788 30 36   32 2 Ni
 
 
SILVALOY® 300
(Formally BRAZE™ 300 / SILVALOY® A30) For steel and nonferrous alloys melting above 1450°F (790°C), nickel-silver knife handles, electrical equipment.
1250 675 1410 765 30 38   32   BAg-20
SILVALOY® 351
(Formally BRAZE™ 351 / SILVALOY® A35) Intermediate temperature filler metal for use with ferrous and nonferrous materials.
1265 685 1390 755 35 32   33   BAg-35
SILVALOY® 380
(Formally BRAZE™ 380 / SILVALOY® A38T) Free flowing, cadmium-free filler metal used with ferrous and nonferrous base metals.
1200 650 1330 720 38 32 2 28   BAg-34, AMS 4761
SILVALOY® 401

(Formally BRAZE™ 401 / SILVALOY® A40) For copper base alloys, mild steel, nickel and Monel, and where a narrow melt range is desired.


1245 675 1340 725 40 30   30   AMS 4762
SILVALOY® 402
(Formally BRAZE™ 402 / SILVALOY® A40T) A free-flowing medium temperature filler metal for ferrous and nonferrous alloys.
1200 650 1310 710 40 30 2 28   BAg-28
SILVALOY® 403
(Formally BRAZE™ 403 / SILVALOY® A40N2) For tungsten carbides, and stainless steel food handling equipment allowing no cadmium.
1220 660 1435 780 40 30   28 2 Ni
 
BAg-4
SILVALOY® 404
(Formally BRAZE™ 404 / SILVALOY® A40N5) For tungsten carbides and stainless steel.
1220 660 1580 860 40 30   25 5 Ni
 
 
SILVALOY® 450

(Formally BRAZE™ 450 / SILVALOY® A45) For ships' piping, band instruments, aircraft engine oil coolers, brass lamps.


1225 665 1370 745 45 30   25   BAg-5
SILVALOY® 452

(Formally BRAZE™452 / SILVALOY® A45T) Low temperature, free-flowing, Cd-free alloy.


1185 640 1260 680 45 27 3 25   BAg-36
SILVALOY® 495
(Formally BRAZE™ 495 / SILVALOY® A49NM) For low-temperature brazing of tungsten carbides and stainless steels.
1260 680 1290 700 49 16   23 7.5 Mn
4.5 Ni
 
BAg-22
SILVALOY® 501
(Formally BRAZE™ 501 / SILVALOY® A50) For steam turbine blading and heavily galvanized or tinned steel, aluminum brass tubing.
1250 675 1425 775 50 34   16   BAg-6
SILVALOY® 502; 503 (VTG)
(Formally BRAZE™ 502; 503 (VTG) / SILVALOY® B50; B50V) For applications similar to SILVALOY® 720 and 721 except where better gap filling is needed.
1435 780 1600 870 50 50       BVAg-6b
SILVALOY® 505

(Formally BRAZE™ 505 / SILVALOY® A50N) For 300 series stainless steel food handling equipment with close joint clearances. Free flowing alloys used to braze ferrous & non ferrous alloys. Can be used to join carbide tools.


1220 660 1305 705 50 20   28 2 Ni
 
BAg-24, AMS 4788
SILVALOY® 541
(Formally BRAZE™ 541 / SILVALOY® A54N) Atmosphere furnace brazing for high temperature applications (up to 700°F/370°C), such as on jet engines.
1340 725 1575 855 54 40   5 1 Ni
 
BAg-13, AMS 4772
SILVALOY® 559
(Formally BRAZE™ 559 / SILVALOY® B56N) Same as SILVALOY® 541, but used where zinc fumes in the furnace are not permissible.
1420 770 1640 895 56 42     2 Ni
 
BAg-13a, AMS 4765
SILVALOY® 560

(Formally BRAZE™ 560 / SILVALOY® A56T) For food handling equipment requiring a low melting, cadmium-free alloy.


1145 620 1205 650 56 22 5 17   BAg-7, AMS 4763
SILVALOY® 580
(Formally BRAZE™ 580 / SILVALOY® A58TM) A free flowing filler metal used in brazing tungsten carbide which is subsequently titanium nitrided.
1120 605 1345 730 57.5 32.5 7   3 Mn
 
 
SILVALOY® 600

(Formally BRAZE™ 600 / SILVALOY® A60) For Monel and other nickel alloys, and in place of SILVALOY® 650 on silverware.


1245 675 1325 720 60 25   15    
SILVALOY® 603; 604 (VTG)

(Formally BRAZE™ 603; 604 (VTG) / SILVALOY® B60T; B60TV) For vacuum tube seals, brazing of ferrous and nonferrous alloys without flux, for brazing marine heat exchangers exposed to salt water at elevated temperatures (where zinc is objectionable).


1115 600 1325 720 60 30 10     BAg-18, BVAg-18Gr2
SILVALOY® 630
(Formally BRAZE™ 630 / SILVALOY® B63NT) On 400 series stainless steels for corrosion resistance to salt spray, chlorine solutions, etc.
1275 690 1475 800 63 28.5 6   2.5 Ni
 
BAg-21, AMS 4774
SILVALOY® 650

(Formally BRAZE™ 650 / SILVALOY® A65) For silverware, iron and nickel alloys.


1240 670 1325 720 65 20   15   BAg-9
SILVALOY® 655
(Formally BRAZE™ 655) For brazing Invar, Kovar and similar alloys to copper in vacuum tubes; as jet engine rubbing seals.
1385 750 1560 850 65 28     5 Mn
2 Ni
 
 
SILVALOY® 700

(Formally BRAZE™ 700 / SILVALOY® A70) For silverware, when subsequent joints are made with SILVALOY® 650.


1275 690 1360 740 70 20   10   BAg-10
SILVALOY® 715; 716 (VTG)

(Formally BRAZE™ 715; 716 (VTG) / SILVALOY® B72N; B72NV) Filler metal and high conductivity, similar to SILVALOY® 720, but suitable for both ferrous and nonferrous alloys.


1435 780 1465 795 71.5 28     0.5 Ni
 
BVAg-8b
SILVALOY® 720; 721 (VTG)

(Formally BRAZE™ 720; 721 (VTG) / SILVALOY® B72; B72V) For nonferrous electronic components requiring highest electrical and thermal conductivity. The VTG grade has low volatile impurities, good for use in moderate temperature vacuum systems.


1435 780 1435 780 72 28       BVAg-8Gr2, BAg-8
SILVALOY® 750

(Formally BRAZE™ 750 / SILVALOY® A75) On silverware for step brazing or enameling; for iron or nickel base alloys.


1365 740 1450 790 75 22   3    
SILVALOY® 852
(Formally BRAZE™ 852 / SILVALOY® Z85M) Brazing stainless, Stellite, Inconel, complex carbides - for high-temperature service.
1760 960 1780 970 85       15 Mn
 
BAg-23
SILVALOY® 999 (BRAZE™ 999)

A VTG alloy for brazing ceramics to be used as semiconductors.


1761 960 1761 960 99.9         BAg-0, BVAg-0 Gr2
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